Lucy in the Sky With Asteroids

For centuries, the Northwest Passage, the long-sought sea route connecting the Atlantic and Pacific Oceans through northern Canada, was a holy grail of Arctic exploration. Even now, sailing through it isn’t guaranteed. Mark Synnott, a National Geographic Explorer, writer, and adv ...  Show more

There’s a lost continent waiting to be explored, and it’s right below our feet. We’ll dig into the deep human relationship to the underground—and why we understand it from an instinctive point of view, but not so much from a physical one. (Hint: We’re afraid of the dark.) In an e ...  Show more

Scientists are constantly searching for asteroids that could crash into Earth. But if they find one, will they be able to do anything about it? NASA has launched a spaceship that will slam into an asteroid to find out. For more, go to http://vox.com/unexplainable It’s a great pla ...  Show more

SpaceTime Series 25 Episode 114
*Over 30 thousand near Earth Asteroids now discovered
Astronomers have reached a major milestone with the discovery of the thirty thousandth near Earth asteroid.
*NASA's Lucy spacecraft swoops past the Earth
NASA’s Lucy spacecra ...  Show more

The Principal Investigator for NASA’s Lucy mission discusses the spacecraft’s 12-year journey to eight different asteroids as we look to better understand the formation of our solar system. HWHAP Episode 289. 

It's a beautiful night—the sky is clear, the stars are twinkling. You see a shooting star! Or is it a comet! Maybe a meteor? Whatever it is, it’s gone in an instant. But what if that whirring bit of space were headed... straight towards the Earth, not past it? Yeah, not so cute. ...  Show more